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Description: ASTM A573/A573M steel plates are suitable for structural grade carbon-manganic-silicon steel plates in 3 tensile strength ranges. ASTM A573/A573M steel plates are mainly used for important applications to improve notch toughness at room temperature. A573G ...
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ASTM A573/A573M steel plates are suitable for structural grade carbon-manganic-silicon steel plates in 3 tensile strength ranges.
ASTM A573/A573M steel plates are mainly used for important applications to improve notch toughness at room temperature. A573Gr58 steel should be manufactured by a fine grain process.
ASTM A573 Sheet steel should be sedated and treated with normalizing, quenching, and tempering. A573 Grade 58 steel plate, used for welding bridge structures, its notch toughness is important.
ASTM A573/A573M steel chemical components:
| components | Grade 58 | Grade 65 | Grade 70 |
|---|---|---|---|
| C | 0.23 | 0.24-0.26 | 0.27-0.28 |
| Mn | 0.60-0.90 | 0.85-1.20 | 0.85-1.20 |
| P | 0.035 | 0.035 | 0.035 |
| S | 0.04 | 0.04 | 0.04 |
| Si | 0.10-0.35 | 0.15-0.40 | 0.15-0.40 |
ASTM A573/A573M steel mechanical property:
| Designation | Grade 58 | Grade 65 | Grade 70 |
|---|---|---|---|
| Tensile strength | 400-490 Mpa | 450-530 Mpa | 485-620 Mpa |
| Yield strength | 220 Mpa | 240 Mpa | 290 Mpa |
| Elongation | 21 | 20 | 18 |
| 24 | 23 | 21 |
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